Live" celebrated 50 years with a homecoming concert and an anniversary special. Here's who showed up and who was missing from SNL 50.

Lamar was part of the Super Bowl halftime show three years ago at SoFi Stadium in Inglewood, California, when the lineup included a collaborative effort of Dr. Dre, Snoop Dogg, Eminem, Mary J. Blige ...

Blige and 50 Cent. Lamar won't be alone ... including in her recent album, "Lana." The Super Bowl performance can essentially serve as a kickoff to their Grand National Tour, beginning in April.